title: Malignant schwannoma in neurofibromatous elephantiasis of the upper extremity.
mesh_terms: D000293:Adolescent; D004604:Elephantiasis / Q000209:etiology*; D005542:Forearm; D006801:Humans; D008209:Lymphedema / Q000209:etiology*; D008297:Male; D008475:Median Nerve; D009442:Neurilemmoma / Q000150:complications* / Q000601:surgery; D009456:Neurofibromatosis 1 / Q000150:complications* / Q000601:surgery